Key Generation from Wireless Channels: A Review

Junqing Zhang, Trung Q. Duong, Alan Marshall, Roger Woods

Research output: Contribution to journalArticlepeer-review

205 Citations (Scopus)
1841 Downloads (Pure)


Key generation from the randomness of wireless channels is a promising alternative to public key cryptography for the establishment of cryptographic keys between any two users. This paper reviews the current techniques for wireless key generation. The principles, performance metrics and key generation procedure are comprehensively surveyed. Methods for optimizing the performance of key generation are also discussed. Key generation applications in various environments are then introduced along with the challenges of applying the approach in each scenario. The paper concludes with some suggestions for future studies.
Original languageEnglish
Pages (from-to)614-626
Number of pages13
JournalIEEE Access
Early online date27 Jan 2016
Publication statusPublished - 08 Mar 2016


  • Physical layer security
  • Key generation
  • Wireless communications


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